1) No Sound from One Speaker
一个扬声器无声
3) wireless speaker
无线扬声器
4) hornless loudspeaker
无喇叭扬声器
5) loudspeaker source
扬声器声源
1.
Base on the analysis of the national standards on field sound insulation measurement using loudspeaker source,an improved method which put a sound source at several points instead of a single point is proposed.
通过对现行国家标准关于隔声现场测量中扬声器声源法的分析,提出扬声器声源多点放置隔声现场测量的改进方案。
6) audio beam loudspeaker
声束扬声器
1.
A structure design scheme of audio directional polyvinylidene fluoride(PVDF)film transducer with tunable resonance frequency is proposed to solve one of the key technical problemsie low output powers in audio beam loudspeaker research.
提出了一种谐振频率可调的聚偏二氟乙烯(PVDF)膜声频定向换能器的结构设计方案,用以解决困扰声束扬声器输出功率低的问题,并通过理论研究给出了该类换能器主要设计参数的理论计算公式。
2.
A novel audio beam loudspeaker is fabricated by utilizing the nonlinear propagation effects of ultrasonic in the air to generate audible high directivity sound.
利用空气中超声波非线性传播效应制作一种可产生高指向性可听声的新型声束扬声器。
3.
A novel audio beam loudspeaker which based on nonlinear propagation effects of ultrasonic in the air to generate audible sound with high directivity is presented.
提出了一种利用空气中超声波非线性传播效应制作的、可产生高指向性可听声的新型声束扬声器。
补充资料：一个
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参考词条